<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>计算bmi</title>
</head>
<body>
<form action="http://127.0.0.1:8080/bmi" method="post">
    <input type="text" name="height" placeholder="身高（米）">
    <br>
    <br>
    <input type="text" name="weight" placeholder="体重（公斤）">
    <br>
    <br>
    <button type="submit">计算</button>
</form>
</body>
</html>